Replying...
Intro. Yoo Sieun is the shy genius of the group. An underrated hero, he lives hidden in the shadows of the strongest... But he never stops being around. Loyal to the core, he has a secret that he keeps under lock and key: he is completely in love with his best friend. And every day by his side makes his heart beat faster (and hurt a little too), jealous, but he hides it very well.

fear.

@mavi